London Naturalist - London Natural History Society. (London Natural History Society, 1960)

London Naturalist - London Natural History Society. (London Natural History Society, 1961)

London Naturalist - London Natural History Society. (London Natural History Society, 1962)

London Naturalist - London Natural History Society. (London Natural History Society, 1963)

London Naturalist - London Natural History Society. (London Natural History Society, 1964)

London Naturalist - London Natural History Society. (London Natural History Society, 1965)

London Naturalist - London Natural History Society. (London Natural History Society, 1966)

London Naturalist - London Natural History Society. (London Natural History Society, 1980)

London Naturalist - London Natural History Society. (London Natural History Society, 1981)

London Naturalist - London Natural History Society. (London Natural History Society, 1982)

London Naturalist - London Natural History Society. (London Natural History Society, 1983)

London Naturalist - London Natural History Society. (London Natural History Society, 1984)

London Naturalist - London Natural History Society. (London Natural History Society, 1985)

London Naturalist - London Natural History Society. (London Natural History Society, 1986)

London Naturalist - London Natural History Society. (London Natural History Society, 1987)

London Naturalist - London Natural History Society. (London Natural History Society, 1988)

London Naturalist - London Natural History Society. (London Natural History Society, 1991)

London Naturalist - London Natural History Society. (London Natural History Society, 1992)

London Naturalist - London Natural History Society. (London Natural History Society, 1993)

London Naturalist - London Natural History Society. (London Natural History Society, 1994)

London Naturalist - London Natural History Society. (London Natural History Society, 1995)

London Naturalist - London Natural History Society. (London Natural History Society, 1996)

London Naturalist - London Natural History Society. (London Natural History Society, 1997)

London Naturalist - London Natural History Society. (London Natural History Society, 1998)

London Naturalist - London Natural History Society. (London Natural History Society, 1999)

London Naturalist - London Natural History Society. (London Natural History Society, 2001)

London Naturalist - London Natural History Society. (London Natural History Society, 2002)

London Naturalist - London Natural History Society. (London Natural History Society, 2003)

London Naturalist - London Natural History Society. (London Natural History Society, 2005)

London Naturalist - London Natural History Society. (London Natural History Society, 2008)

London Naturalist - London Natural History Society. (London Natural History Society, 2009)

London Naturalist - London Natural History Society. (London Natural History Society, 2012)

Long Island Botanical Society newsletter - Long Island Botanical Society. (Long Island Botanical Society, 1993)

Long Island Botanical Society newsletter - Long Island Botanical Society. (Long Island Botanical Society, 2004)

Long Island Botanical Society newsletter - Long Island Botanical Society. (Long Island Botanical Society, 2014)

Long Island Botanical Society newsletter - Long Island Botanical Society. (Long Island Botanical Society, 2022)

Lotos : Zeitschrift für Naturwissenschaften - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (1859)

Lotos : Zeitschrift für Naturwissenschaften - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (1860)

Lunds universitets årsskrift 2. Afd Medicin samt matematiska och naturvetenskapliga ämmen - Lunds universitet. (Universitets], 1920)

Lyhykäinen kasvioppi ja kasvio - Mela, A. J. (Aukusti Juhana), 1846 -1904 (Suomalaisen Kirjallisuuden Seuran Kirjapainossa, 1877)

Lyon-horticole - Association horticole lyonnaise. (Impr. du Salut public, 1896)

The Macrolepidoptera of the world : a systematic account of all the known Macrolepidoptera - Seitz, Adalbert, 1860 -1938 (Fritz Lehmann Verlag, 1913)

The Macrolepidoptera of the world : a systematic account of all the known Macrolepidoptera - Seitz, Adalbert, 1860 -1938 (Fritz Lehmann Verlag, 1934)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1955)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1965)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1969)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1970)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1971)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1972)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1977)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1983)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1986)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1987)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1992)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1993)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1996)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1998)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2001)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2004)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2006)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2007)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2009)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2012)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2013)

Magazin der Entomologie - Ahrens, August, 1779 -1841 (Joh. Chr. Hendel, 1818)

Magazin für die Botanik - Römer, J. J. (Johann Jacob), 1763 -1819 (Ziegler und Söhne, 1790)

The Magazine of horticulture, botany, and all useful discoveries and improvements in rural affairs (Hovey and Co, 1858)

The Magazine of horticulture, botany, and all useful discoveries and improvements in rural affairs (Hovey and Co, 1863)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1911)

The Maine woods - Thoreau, Henry David, 1817 -1862 (Ticknor and Fields, 1864)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1914)

Manual de plantas de Costa Rica - Hammel, Barry Edward, 1946 - (Missouri Botanical Garden, 2004)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock Publishing Company, 1897)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock publishing company, inc, 1938)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Kessinger Pub, 1895)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock Pub. Co, 1897)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock, 1923)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock Publishing Company, 1916)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock Publishing Company, 1904)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (The Comstock Pub. Co., 1920, 1920)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock Pub. Co, 1895)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock Pub. Co, 1930)

Manual of plant diseases - Lindau, Gustav, 1866 -1923 (The Record press, 1914)

Manual of plant diseases - Lindau, Gustav, 1866 -1923 (The Record Press, 1914)

A manual of poisonous plants : chiefly of eastern North America : with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (Torch Press, 1911)

A manual of poisonous plants : chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (Torch Press, 1910)

A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (The Torch Press, 1910)

A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (The Torch press, 1911)

Manual of the natural history, geology, and physics of Greenland, and the neighboring regions : prepared for the use of the Arctic Expedition of 1875, under the direction of the Arctic Committee of the Royal Society, for the use of the expedition ; published by authority of the Lords Commissioners of the Admiralty - Great Britain. Admiralty. (H.M. Stationery Off., printed by G.E. Eyre and W. Spottiswoode, 1875)

Manual of the natural history, geology and physics of Greenland and the neighbouring regions / prepared for the use of the Arctic expedition of 1875, under the direction of the Arctic Committee of the Royal Society and edited by T. Rupert Jones. Together with Instructions suggested by the Arctic Committee of the Royal Society for the use of the expedition / published by authority of the Lords Commissioners of the Admiralty - Great Britain. Admiralty. (Printed for H.M.S.O, 1875)

Manual of the New Zealand flora - Cheeseman, T. F. (Thomas Frederick), 1846 -1923 (Govt. Printer, 1925)

Manual of the New Zealand flora - Cheeseman, T. F. (Thomas Frederick), 1846 -1923 (J. Mackay, Govt. Printer, 1906)

Manual of vascular plants of the lower Yangtze Valley, China - Steward, Albert Newton, 1897 - (Oregon State College, 1958)

Manuel de la faune de Belgique - Lameere, Auguste, 1864 -1942 (H. Lamertin, 1900)

Manuel de la faune de Belgique - Lameere, Auguste, 1864 -1942 (Lamertin, 1895)

Manuel de la faune de Belgique - Lameere, Auguste, 1864 -1942 (H. Lamertin, 1907)

Manuel des plantes médicinales : ou description, usage et culture des végétaux indigènes employés en médicine ... - Gautier, Alexandre. (Audot, 1822)

Marcellia - Institut de botanique de Strasbourg. (Pergamon Press [etc.], 1911)

The Marin County breeding bird atlas : a distributional and natural history of coastal California birds - Point Reyes Bird Observatory. (Bushtit Books, 1993)

Marine flora and fauna of the Northeastern United States : higher plants of the marine fringe - Moul, Edwin T. (U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, 1973)

Maryland naturalist - Natural History Society of Maryland (The Society, 1999)

Maryland naturalist - Natural History Society of Maryland (The Society, 2002)

Massachusetts crop report - Massachusetts. State Board of Agriculture. ([Massachusetts State Board of Agriculture], 1897)

Mémoires de la Société impériale des sciences naturelles de Cherbourg - Société Imperiale des Sciences Naturelles de Cherbourg. (J.B. Baillière et fils, 1859)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica (Societas, 1888)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1878)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica (Societas, 1876)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1880)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1881)